Revenue from Contracts with Customers - Schedule of Disaggregated Revenues by Segment from Contracts with Customers (Details) - USD ($) $ in Millions		3 Months Ended
		Mar. 31, 2021	Mar. 31, 2020
Disaggregation Of Revenue [Line Items]
Total revenues		$ 235	$ 351
Real Estate and Financing Segment
Disaggregation Of Revenue [Line Items]
Total revenues		123	206
Resort Operations and Club Management Segment
Disaggregation Of Revenue [Line Items]
Total revenues		77	96
Sales of VOIs, Net
Disaggregation Of Revenue [Line Items]
Total revenues		33	56
Sales of VOIs, Net | Real Estate and Financing Segment
Disaggregation Of Revenue [Line Items]
Total revenues		33	56
Sales, Marketing, Brand and Other Fees
Disaggregation Of Revenue [Line Items]
Total revenues		53	106
Sales, Marketing, Brand and Other Fees | Real Estate and Financing Segment
Disaggregation Of Revenue [Line Items]
Total revenues		53	106
Interest Income | Real Estate and Financing Segment
Disaggregation Of Revenue [Line Items]
Total revenues		31	38
Other Financing Revenue | Real Estate and Financing Segment
Disaggregation Of Revenue [Line Items]
Total revenues		6	6
Club Management | Resort Operations and Club Management Segment
Disaggregation Of Revenue [Line Items]
Total revenues		27	25
Resort Management | Resort Operations and Club Management Segment
Disaggregation Of Revenue [Line Items]
Total revenues		18	19
Rental | Resort Operations and Club Management Segment
Disaggregation Of Revenue [Line Items]
Total revenues	[1]	30	47
Ancillary Services | Resort Operations and Club Management Segment
Disaggregation Of Revenue [Line Items]
Total revenues		$ 2	$ 5

[1] Excludes intersegment eliminations. See Note 18: Business Segments for additional information.